Environmental Monitoring Instruments
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| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Model | AOX-S |
| Measurement Principle | Combustion–Microcoulometric Titration |
| Temperature Range | 500–1000 °C (±1% ±5 °C) |
| Accuracy | <5% |
| Repeatability | <5% |
| Limit of Detection (LOD) | 0.1 µg/L |
| Compliance | Designed per HJ 1214–2021 (China National Standard for AOX in Water) |
| Brand | Zhuochi |
|---|---|
| Model | AOX-WK |
| Detection Principle | Microcoulometric Titration after High-Temperature Combustion |
| Measurement Range | Cl: 0.5–5000 mg/L |
| C | 0.2–50000 mg/L |
| N | 0.5–5000 mg/L |
| Temperature Control | 500–1000 °C, ±1% ±5 °C |
| Repeatability | ≤5% (≥10 mg/L), ≤10% (1–10 mg/L), ≤50% (<1 mg/L) |
| Generator Current | ±2 mA |
| Amplifier Output Voltage | ±30 V |
| Bias Voltage Range | 0–500 mV (continuously adjustable) |
| Power Supply | AC 220 V ±10%, 50 Hz, 3000 W |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | AOX-WK |
| Measurement Principle | Combustion–Microcoulometric Titration |
| Temperature Range | 500 °C to 1000 °C |
| Temperature Accuracy | ±1% ±5 °C |
| Overall Accuracy | <5% |
| Repeatability | <5% |
| Limit of Detection (LOD) | 0.1 µg/L |
| Compliance | HJ 1214–2021 |
| Brand | Zhuochi |
|---|---|
| Model | AOX-WK |
| Standard Compliance | GB/T 34845-2017 |
| Measurement Principle | Microcoulometric Titration after High-Temperature Combustion |
| Detection Target | Adsorbable Organic Halides (AOX), expressed as Cl⁻ |
| Carbon Range | 0.2–5000 mg/L |
| Chlorine Range | 0.5–5000 mg/L |
| Nitrogen Range | 0.5–5000 mg/L |
| Combustion Temperature | 500–1000 °C (±1% ±5 °C) |
| Generator Current | ±2 mA |
| Amplifier Output Voltage | ±30 V |
| Bias Voltage Range | 0–500 mV (continuously adjustable) |
| Repeatability | ≤50% (at <1.0 mg/L), ≤10% (1.0–10 mg/L), ≤5% (>10 mg/L) |
| Power Supply | AC 220 V ±10%, 50 Hz ±0.5 Hz |
| Rated Power | 3000 W |
| Origin | Zhejiang, China |
| Configuration | Host unit, high-temperature combustion furnace, autosampler (optional), quartz pyrolysis tube, titration cell, magnetic stirrer, RS-232 interface for PC connection |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Model | AOX-WK-3 |
| Measurement Principle | Combustion–Microcoulometric Titration |
| Measuring Range | 0–2 mg/kg |
| Limit of Detection (LOD) | 2 mg/kg |
| Repeatability | ≤10% RSD at sample concentration ≤2 mg/L |
| Compliance | GB/T 34845–2017, GB/T 22904–2008 |
| Instrument Type | Environmental Halogen Analyzer for Water and Pulp/Paper Matrices |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Model | AOX-WK-3 |
| Measurement Principle | Combustion-Microcoulometric Titration |
| Detection Range | 0.02 mg/kg – 2 mg/kg |
| Accuracy | ±1 µg Cl |
| Repeatability | ≤10% RSD at sample concentration <2 mg/kg |
| Limit of Detection (LOD) | 0.028 mg/L |
| Resolution | 1 µg Cl |
| Compliance | GB/T 34845-2017, GB/T 22904-2008, GB/T 35613-2017, GB/T 39084-2020, GB/T 35611-2017, GB/T 41533-2022 |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Model | AOX-WK-3 Microcoulometric |
| Compliance | GB/T 34845–2017, GB/T 22904–2008 |
| Configuration | Complete AOX determination system with combustion furnace, microcoulometric titration unit, adsorption module, and dedicated software |
| Brand | Zhuochi |
|---|---|
| Model | AOX-WK-3 |
| Measurement Principle | Microcoulometric Titration after High-Temperature Combustion |
| Detection Target | Total Adsorbable Organic Halogens (Cl, Br, I) |
| Carbon Range | 0.2–5000 mg/L |
| Chlorine Range | 0.5–5000 mg/L |
| Nitrogen Range | 0.5–5000 mg/L |
| Combustion Temperature | 500–1000 °C (±1% ±5 °C) |
| Generator Current | ±2 mA |
| Amplifier Output Voltage | ±30 V |
| Bias Voltage Adjustment | 0–500 mV (continuously adjustable) |
| Repeatability | ≤50% (c < 1.0 mg/L), ≤10% (1.0 ≤ c ≤ 10 mg/L), ≤5% (c > 10 mg/L) |
| Power Supply | AC 220 V ±10%, 50 Hz ±0.5 Hz |
| Rated Power | 3000 W |
| Origin | Zhejiang, China |
| Compliance | Designed to support ISO 9562, EPA Method 1650, and DIN EN ISO 9562 workflows |
| Key | Principle: Combustion–Microcoulometric Titration |
|---|---|
| Range | 0.5–5 mg/kg (as Cl) |
| Accuracy | ±1 °C (furnace temperature control) |
| Repeatability | ≤10% RSD at ≤2 mg/L sample concentration |
| LOD | Not explicitly defined |
| Compliance | GB/T 34845–2017, GB/T 22904–2008 |
| Operating System | Windows-based control interface |
| Instrument Type | Benchtop AOX analyzer with integrated high-temperature combustion furnace and microcoulometric detection cell |
| Key | Principle: Combustion–Microcoulometric Titration |
|---|---|
| Temperature Range | 500–1000 °C, ±1% ±5 °C |
| Accuracy | <5% |
| Repeatability | <5% |
| LOD | 0.1 µg/L |
| Origin | Zhejiang, China |
| Brand | Zhuochi |
| Model | AOX-WK-S |
| Brand | Zhuochi |
|---|---|
| Model | AOX-WK-S |
| Measurement Principle | Microcoulometric Titration (ASTM D5908, HJ 1214–2021) |
| Detection Target | Adsorbable Organic Halogens (AOX) in Water |
| Compliance | HJ 1214–2021, ISO 9562, EPA Method 1650 |
| Detection Range | 1–600 µg/L (as Cl⁻, typical) |
| Sample Throughput | Up to 24 samples per batch |
| Combustion Temperature | 950 °C (programmable) |
| Halogen Detection Electrode | Silver/silver sulfide reference + platinum indicator |
| Data Interface | RS-232 / DB9 serial, USB adapter optional |
| Software Platform | AOX-Control v3.2 (Windows 10/11 compatible, audit-trail enabled) |
| Power Supply | 220 VAC ±10%, 50 Hz |
| Dimensions (L×W×H) | 1200 × 600 × 650 mm (combustion + titration unit combined) |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | AOX-WK-S |
| Price | USD 15,200 (FOB Zhejiang) |
| Standard Compliance | HJ 1214–2021 (PRC Environmental Monitoring Standard for Water Quality — Determination of Adsorbable Organic Halogens (AOX) by Microcoulometric Method) |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Model | AOX-WK-S |
| Measurement Principle | Combustion–Microcoulometric Titration |
| Temperature Range | 500–1000 °C (±1% ±5 °C) |
| Accuracy | <5% |
| Repeatability | <5% |
| Limit of Detection (LOD) | 0.1 µg/L |
| Compliance | HJ 1214–2021 (China National Standard for AOX in Water) |
| Key | Principle: Combustion–Microcoulometric Titration |
|---|---|
| Temperature Range | 500–1000 °C |
| Accuracy | <5% |
| Repeatability | <5% |
| LOD | 0.1 µg/L (as Cl⁻ equivalent) |
| Compliance | GB/T 34845-2017 |
| Brand | Zhuochi |
|---|---|
| Model | AOX-WK-S |
| Application | Determination of Adsorbable Organic Halogens (AOX) in Water Samples |
| Measurement Principle | Combustion–Microcoulometric Titration |
| Temperature Range | 500–1000 °C, ±1% ±5 °C |
| Accuracy | <5% |
| Repeatability | <5% |
| Limit of Detection (LOD) | 0.1 µg/L |
| Compliance | HJ 1214–2021 (China EPA Standard) |
| Origin | Zhejiang, China |
| Supplier Type | Authorized Distributor |
| Brand | Zhuochi |
|---|---|
| Model | AOX-WK-S |
| Application | Water Quality Analysis |
| Measurement Principle | Combustion–Microcoulometric Titration |
| Temperature Range | 500–1000 °C (±1% ±5 °C) |
| Accuracy | <5% |
| Repeatability | <5% |
| LOD | 0.1 µg/L |
| Compliance | HJ 1214–2021 (China EPA Standard) |
| Origin | Zhejiang, China |
| Supplier Type | Authorized Distributor |
| Brand | Zhuochi |
|---|---|
| Model | AOX-WK-S |
| Measurement Principle | Combustion–Microcoulometric Titration |
| Temperature Range | 500–1000 °C (±1% ±5 °C) |
| Accuracy | <5% |
| Repeatability | <5% |
| Detection Limit | 0.1 µg/L |
| Compliance | HJ 1214–2021 (China) |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | AOX-WK-S |
| Measurement Principle | Combustion–Microcoulometric Titration |
| Temperature Range | 500 °C to 1000 °C, ±1% ±5 °C |
| Accuracy | <5% |
| Repeatability | <5% |
| LOD | 0.1 µg/L |
| Compliance | HJ 1214–2021 |
| Key | Principle: Combustion–Microcoulometric Titration |
|---|---|
| Temperature Range | 500–1000 °C |
| Accuracy | <5% |
| Repeatability | <5% |
| LOD | 0.1 µg/L |
| Temp. Control Precision | ±1% ±5 °C |
| Origin | Zhejiang, China |
| Brand | Zhuochi |
| Model | AOX-WK-S |
| Compliance | HJ 1214–2021 |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | AOX-WK-S |
| Pricing | Available Upon Request |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | AOX-WK-S |
| Measurement Principle | Combustion–Microcoulometric Titration |
| Temperature Range | 500–1000 °C |
| Temperature Accuracy | ±1% ±5 °C |
| Measurement Accuracy | <5% |
| Repeatability | <5% |
| LOD | 0.1 µg/L |
| Compliance | HJ 1214–2021 |
| Brand | Zhuochi |
|---|---|
| Model | AOX-WK-S |
| Origin | Zhejiang, China |
| Instrument Type | Microcoulometric AOX Analyzer |
| Compliance Standard | HJ 1214–2021 (Effective June 1, 2022) |
| Application | Adsorbable Organic Halogens (AOX) in Water |
| Detection Principle | Microcoulometric Titration after High-Temperature Combustion and Halogen Capture |
| Configuration | Complete System with Dual-Zone Combustion Furnace, Halogen Adsorption Column, Sample Introduction/Withdrawal Modules, and Integrated Coulometric Detector |
| Brand | Zhuochi |
|---|---|
| Model | AOX-WK-S |
| Standard Compliance | HJ 1214–2021 (PRC Environmental Standard for AOX Determination) |
| Measurement Principle | Microcoulometric Titration after High-Temperature Combustion |
| Detection Target | Adsorbable Organic Halogens (AOX) in Water |
| Temperature Control | Dual-Zone Combustion Furnace with Precise Airflow-Regulated Thermal Management |
| Sample Introduction | Automated Solid/Liquid Injector with Inert Carrier Gas Delivery |
| Halogen Capture & Quantification | Silver Coulometric Cell with Real-Time Charge Integration |
| Adsorption System | Activated Carbon Column Assembly per HJ 1214–2021 Protocol |
| Data Output | Integrated Coulometric Signal Processing Unit with Calibration Traceability |
| Brand | Zhuochi |
|---|---|
| Model | AOX-WK-S |
| Application | Adsorbable Organic Halogens (AOX) in Water |
| Measurement Principle | Combustion-Microcoulometric Titration |
| Temperature Range | 500–1000 °C (±1% ±5 °C) |
| Accuracy | <5% |
| Repeatability | <5% |
| Detection Limit | 0.1 µg/L |
| Compliance | HJ 1214–2021 (China EPA Standard) |
| Origin | Zhejiang, China |
| Supplier Type | Authorized Distributor |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | AOX-WK-S |
| Instrument Type | Laboratory Water Quality Analyzer |
| Target Analytes | Fluorine, Chlorine, Bromine |
| Regulatory Compliance | HJ 1214–2021 (PRC National Standard for Determination of Adsorbable Organic Halogens in Water by Microcoulometry) |
| Operating System | Windows-based GUI |
| Data Output | On-screen real-time display, disk storage, and printer-compatible reporting |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Model | AOX-ZC |
| Measurement Principle | Combustion–Coulometric Titration |
| Measurement Range | 5–1000 µg |
| Accuracy | ±1% |
| Repeatability | ≤1% RSD |
| Detection Limit | 0.8–1000 µg/L |
| Resolution | 0.01 µg |
| Compliance | Designed for EPA Method 1613, ISO 9562, DIN 38409-H17, and ASTM D5908 |
| Key | Principle: Combustion–Microcoulometric Titration |
|---|---|
| Temperature Range | 500–1000 °C, ±1% ±5 °C |
| Accuracy | <5% |
| Repeatability | <5% |
| LOD | 0.1 µg/L |
| Origin | Zhejiang, China |
| Compliance | HJ 1214–2021 (PRC Environmental Standard) |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | AOX-WK-S |
| Price | USD 17,500 (FOB Zhejiang) |
| Measurement Principle | Combustion–Microcoulometric Titration |
| Combustion Temperature Range | 500 °C to 1000 °C, ±1% ±5 °C |
| Accuracy | <5% RSD |
| Repeatability | <5% RSD |
| Limit of Detection (LOD) | 0.1 µg Cl⁻ (as Cl) |
| Resolution | Not specified |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Laboratory Benchtop Furnace |
| Model | SK3-2.5-13 |
| Temperature Range | 100–1300 °C |
| Temperature Uniformity | ±1 °C |
| Heating Rate | Adjustable up to 50 °C/min |
| Furnace Chamber | φ22 × 380 mm |
| Heating Zone Length | 280 mm |
| Power Rating | 2.5 kW |
| Supply Voltage | 220 V, 50 Hz |
| Weight | ~22 kg |
| Compliance Standard | LYT 1255–1999 (Determination of Total Sulfur in Forest Soils) |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Laboratory Benchtop Combustion Furnace |
| Model | SK3-2.5-13-4 |
| Temperature Range | 100–1300 °C |
| Temperature Stability | ±1 °C |
| Display Resolution | 1 °C |
| Furnace Tube ID | φ22 mm |
| Heating Zone Length | 280 mm |
| Max. Ramp Rate | ≤50 °C/min (adjustable) |
| Power Rating | 2.5 kW |
| Supply Voltage | 220 V, 50 Hz |
| Net Weight | ~22 kg |